<!DOCTYPE html>
<html lang="en" xmlns:th="http://www.w3.org/1999/xhtml">
<head>
    <meta charset="UTF-8">
    <title>听书</title>
</head>
<body>
    <h1 th:if="${currentUser}" th:text = "${currentUser.nickname}"></h1>
    <h1 th:unless="${currentUser}">未登录</h1>
</body>
</html>